Check out example codes for "comment out css". It will help you in understanding the concepts better.

Code Example 1

/* This is a CSS comment! */
/* Remember that you have to add the end bit on comments or all your
code will turn to comments! Thease comments can go over several lines! */

Code Example 2

/* this is some commented out css
   border:1px solid red;

Code Example 3

/* a comment in css */

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